Flaxseed (flaxseed, linseed, semen lini is the mature seed of flax. In my country, flaxseed is mainly used as an oil for the production and processing of edible vegetable oil. The main components of flaxseed are fat, protein, dietary fiber, and other components also include minerals. , α-linolenic acid, lignans, flaxseed gum, vitamins, etc. Scientific research shows that flaxseed contains cyanogenic glycosides, anti-VB6 factors, phytic acid and other toxic substances or anti-nutritional factors. Cyanogenic glycosides are also known as cyanogenic glycosides, Cyanohydrin can produce cyanide under the action of hydrolase (β-glucosidase). Raw flaxseed contains different contents of cyanogenic glycosides, and the content varies greatly depending on the variety, origin and environment.